Anti-incrustation compound.



UNITED STATES PATENT OFFICE.

JOSEPH H. MGMAKEN, OF TOLEDO, OHIO, ASSIGNOR OF ONE-HALF TO JESSE SISSON, OF SAME PLACE.

ANTI-INCRU STATION COMPOUND.

SPECIFICATION forming part of Letters Patent No. 662,956, dated December 1900- Application filed September 22, 1900. Serial No. 30,821. (No specimens.)

To all whom, it may concern:

Beit known that I, JOSEPH H. MGMAKEN, a citizen of the United States, residing at T- ledo, in the county of Lucas and State of Ohio, have invented certain new and useful Improvements in Anti-Incrustation Compounds for Steam-Boilers; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My compound comprises a number of ingredients, of which some operate to dissolve the incrustation, some act as absorbents of bark, five pounds, and best English soda-ash one hundred and fifty pounds. All these ingredients are thoroughly mixed together and reduced to powdered form by grinding or otherwise. My compound is now ready for use.

It should be understood that the proportions here stated assume that the ingredients are of the usual strength and purity of the articles named and as used in commerce. In

case any of the ingredients are of less than the usual merchantable strength and purity the quantity of such ingredient should be proportionately increased.

The amount of the compound required will vary according to the condition of the boiler and the amount of scale-forming matter contained in the feed-water; but ordinarily in a boiler of two hundred and fifty to three hundred cubic feet scale may be prevented by the use of about five pounds each week of the compound and in the same proportion for boilers of less or greater size.

Boilers of, say, two hundred and fifty to three hundred cubic feet, already incrusted, will require eight to ten pounds in one or several applications, according to the thickness of scale and quality of feed-water used.

My compound may be conveniently applied .in presence of two witnesses.

JOSEPH H. MGMAKEN.

Witnesses:

. WILBEE A. OWEN,

L. BROWN. 

